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प्रश्न
Fill in the blank
A ________ substance has only one kind of matter.
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उत्तर
A pure substance has only one kind of matter.
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संबंधित प्रश्न
Differentiate between:
pure and impure substances
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Baking Soda
Tick the most appropriate answer.
The different constituents of ink are separated by
How is distillation method different from evaporation?
State any one method – to separate the following mixtures – A mixture of different solid constituents – in a liquid constituent.
Explain with a diagram the process used to – separate the following substance from the given mixture.
Potassium nitrate from a mixture of – potassium nitrate & potassium chlorate.
Explain with diagram the process used to – separate the following substance from the given mixtures - Lead nitrate [soluble] from a mixture of – lead nitrate & water Le. lead nitrate solution.
Give a reason for the following statement :
Centrifugation can be used for separating an insoluble heavier solid, present in an – insoluble solid-liquid mixture.
What is meant by separation?
State whether the following statement is true or false.
A mixture of iron filings and rice flour can be separated by magnet.
